Metabolism
This is the ATP cost of the phosphofructokinase (PFK) reaction.
What is 1 ATP?
This rhythm features an irregular heart rate with one P wave per QRS complex.
What is sinus arrhythmia?
This is the most common type of epithelial solid tumor.
What is carcinoma?
This organ produces erythropoietin (EPO).
What is the kidney?
This cranial nerve is the primary parasympathetic nerve influencing the heart.
What is the vagus nerve?
This enzyme converts lactate into pyruvate.
What is lactate dehydrogenase (LDH)?
This rhythm normally occurs during exercise as myocardial oxygen demand increases.
What is sinus tachycardia?
This autoimmune disease presents with symmetric joint swelling and nail changes.
What is rheumatoid arthritis?
This is a readily accessible way to monitor physical activity goals according to ACSM.
What is step counting?
This enzyme system allows calculation of VO₂ using Q × (a–v)O₂.
What is the Fick equation?
This enzyme converts glucose to glucose-6-phosphate in skeletal muscle.
What is hexokinase?
This rhythm shows an early wide QRS complex without a preceding P wave.
What is a multifocal premature ventricular contraction (PVC)?
This endocrine disorder presents with low T3, weight gain, and fatigue.
What is hypothyroidism?
Higher adolescent bone mass reduces risk of this disease later in life.
What is osteoporosis?
This measurement, representing the total volume of air breathed per minute, is required along with expired gas fractions to calculate VO₂ in open-circuit spirometry.
What is minute ventilation (V̇E)?
This marker reflects long-term glycemic control and improves with exercise in T2DM.
What is hemoglobin A1c (HbA1c)?
An R wave in V5 of 25 mm and an S wave in V2 of 15 mm suggests this condition.
What is left ventricular hypertrophy (LVH)?
This CNS disease is characterized by myelin degradation.
What is multiple sclerosis?
This drug class reduces blood pressure and plasma volume via sodium and fluid loss.
What are diuretics?
This index of myocardial oxygen demand is calculated by multiplying heart rate by systolic blood pressure.
What is the rate–pressure product?
This enzyme breaks triglycerides into free fatty acids and monoglycerides in the bloodstream.
What is lipoprotein lipase (LPL)?
ST depression in leads V1–V4 suggests occlusion of this coronary artery.
What is the left anterior descending (LAD) artery?
An ejection fraction below 30 percent with severe LV dysfunction describes this condition.
What is systolic heart failure (HFrEF)?
This simple anthropometric measure is linked to CVD risk when BMI is greater than 25.
What is waist circumference?
This statistical measure represents the percentage of patients without coronary artery disease who correctly test negative.
What is specificity?